Q1. How high does a rocket have to go above the Earth's surface until its weight is 0.8 times its weight on the Earth's surface? The radius of the earth is 6.27 × 10^6 m and the acceleration of gravity is 9.8 m/s2.

Q2. Jack is a second-grade student. He seems to have no interest in learning, frequently daydreaming in class and frequently disrupting the class by throwing objects at other students. Explain how a bio psychosocial approach may provide both an integrated explanation of Jack's classroom behaviour and practical suggestions for helping Jack to cope more efficiently with the challenges he faces.